/* CSP 2단계 — 인라인 <style> 제거분(2026-09-13). 원래 home.html 의 <style> 안에 있던 CSS 를
   **내용 변경 없이** 그대로 옮긴 것이다. style-src 에서 'unsafe-inline' 을 빼기 위한 조치.
   같은 파일에 <style> 이 여러 개였으면 문서 순서대로 이어 붙였다(우선순위 보존). */

:root {
    --cyan:#00c2d4; --blue:#1e7fff;
    --grad:linear-gradient(120deg,#00c2d4,#1e7fff);
    --grad-soft:linear-gradient(120deg,rgba(0,194,212,.16),rgba(30,127,255,.16));
    --r:18px; --ease:cubic-bezier(.22,.61,.36,1);
  }
  /* 라이트(기본) */
  :root, :root[data-theme="light"] {
    --bg:#ffffff; --bg-soft:#f5f8ff;
    --ink:#0b1733; --ink-dim:#54648a; --ink-faint:#8a9abd;
    --line:rgba(20,60,120,.12); --card:#ffffff; --card-line:rgba(20,60,120,.10);
    --shadow:0 14px 40px rgba(20,60,120,.10); --shadow-lg:0 28px 64px rgba(20,60,120,.16);
    --header-bg:rgba(255,255,255,.72);
    --hero-fx: radial-gradient(820px 520px at 85% -6%, rgba(30,127,255,.14), transparent 60%),
               radial-gradient(640px 480px at 0% 8%, rgba(0,194,212,.12), transparent 55%),
               linear-gradient(180deg,#ffffff,#f5f8ff 70%,#ffffff);
  }
  /* 다크 — 명시 선택 + 무JS 시스템 추종(아래 media) */
  :root[data-theme="dark"] {
    --bg:#070b16; --bg-soft:#0b1222;
    --ink:#eaf1ff; --ink-dim:#9fb0cd; --ink-faint:#6b7c9e;
    --line:rgba(120,160,220,.14); --card:#0e1830; --card-line:rgba(120,160,220,.12);
    --shadow:0 18px 50px rgba(0,0,0,.45); --shadow-lg:0 30px 70px rgba(0,0,0,.55);
    --header-bg:rgba(8,12,22,.7);
    --hero-fx: radial-gradient(820px 520px at 85% -6%, rgba(30,127,255,.22), transparent 60%),
               radial-gradient(640px 480px at 0% 8%, rgba(0,194,212,.16), transparent 55%),
               linear-gradient(180deg,#070b16,#0b1222 70%,#070b16);
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
      --bg:#070b16; --bg-soft:#0b1222;
      --ink:#eaf1ff; --ink-dim:#9fb0cd; --ink-faint:#6b7c9e;
      --line:rgba(120,160,220,.14); --card:#0e1830; --card-line:rgba(120,160,220,.12);
      --shadow:0 18px 50px rgba(0,0,0,.45); --shadow-lg:0 30px 70px rgba(0,0,0,.55);
      --header-bg:rgba(8,12,22,.7);
      --hero-fx: radial-gradient(820px 520px at 85% -6%, rgba(30,127,255,.22), transparent 60%),
                 radial-gradient(640px 480px at 0% 8%, rgba(0,194,212,.16), transparent 55%),
                 linear-gradient(180deg,#070b16,#0b1222 70%,#070b16);
    }
  }

  * { box-sizing:border-box; margin:0; padding:0; }
  html { scroll-behavior:smooth; }
  body {
    font-family:-apple-system,"Segoe UI",Roboto,"Helvetica Neue","Apple SD Gothic Neo","Noto Sans KR",sans-serif;
    color:var(--ink); background:var(--bg); line-height:1.62;
    -webkit-font-smoothing:antialiased; overflow-x:hidden;
    transition:background .4s var(--ease), color .4s var(--ease);
  }
  .wrap { max-width:1140px; margin:0 auto; padding:0 28px; }
  a { color:inherit; text-decoration:none; }
  .grad-text { background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
  img { max-width:100%; }

  /* 테마별 로고 스왑 — .brand img(display:block, 명시도 0,1,1) 를 이기도록 :root 상향 */
  :root .theme-dark { display:none; }
  :root[data-theme="dark"] .theme-light { display:none; }
  :root[data-theme="dark"] .theme-dark { display:block; }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme]) .theme-light { display:none; }
    :root:not([data-theme]) .theme-dark { display:block; }
  }

  .bgfx { position:fixed; inset:0; z-index:-2; background:var(--hero-fx); transition:background .4s var(--ease); }
  /* 떠다니는 오브 */
  .orb { position:fixed; z-index:-1; border-radius:50%; filter:blur(60px); opacity:.55; pointer-events:none; }
  .orb.a { width:380px; height:380px; top:-80px; right:-60px; background:radial-gradient(circle,rgba(30,127,255,.45),transparent 70%); animation:float1 16s var(--ease) infinite; }
  .orb.b { width:320px; height:320px; top:40%; left:-120px; background:radial-gradient(circle,rgba(0,194,212,.40),transparent 70%); animation:float2 20s var(--ease) infinite; }
  @keyframes float1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-40px,46px)} }
  @keyframes float2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(50px,-40px)} }

  /* 헤더 */
  header { position:sticky; top:0; z-index:50; backdrop-filter:blur(14px);
    background:var(--header-bg); border-bottom:1px solid var(--line); transition:background .4s var(--ease),border-color .4s var(--ease); }
  nav { display:flex; align-items:center; gap:24px; height:80px; }
  .brand img { height:56px; width:auto; display:block; }
  nav .links { margin-left:auto; display:flex; gap:24px; color:var(--ink-dim); font-size:14px; font-weight:500; }
  nav .links a { position:relative; padding:4px 0; transition:color .2s; }
  nav .links a::after { content:""; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--grad); transition:width .25s var(--ease); }
  nav .links a:hover { color:var(--ink); } nav .links a:hover::after { width:100%; }
  .nav-r { display:flex; align-items:center; gap:12px; margin-left:24px; }

  .btn { display:inline-flex; align-items:center; gap:8px; padding:12px 20px; border-radius:12px; font-weight:600; font-size:14.5px;
    background:var(--grad); color:#fff; box-shadow:0 8px 22px rgba(30,127,255,.26); transition:transform .2s var(--ease), box-shadow .2s var(--ease); }
  .btn:hover { transform:translateY(-2px); box-shadow:0 14px 30px rgba(30,127,255,.36); }
  .btn:active { transform:translateY(0); }
  .btn.ghost { background:var(--card); color:var(--ink); border:1px solid var(--line); box-shadow:none; }
  .btn.ghost:hover { border-color:var(--blue); box-shadow:0 8px 22px rgba(30,127,255,.14); }
  .btn.sm { padding:9px 15px; font-size:13.5px; border-radius:10px; }
  .btn svg { width:18px; height:18px; }

  /* 테마 토글 */
  .theme-btn { display:inline-grid; place-items:center; width:40px; height:40px; border-radius:11px; cursor:pointer;
    background:var(--card); border:1px solid var(--line); color:var(--ink-dim); transition:.2s var(--ease); }
  .theme-btn:hover { color:var(--ink); border-color:var(--blue); transform:translateY(-2px); }
  .theme-btn svg { width:19px; height:19px; }

  /* 히어로 */
  .hero { padding:96px 0 72px; }
  .hero-grid { display:grid; grid-template-columns:1.05fr .95fr; gap:48px; align-items:center; }
  .badge { display:inline-flex; align-items:center; gap:8px; padding:7px 14px; border-radius:999px; font-size:13px; font-weight:600;
    color:var(--blue); background:var(--grad-soft); border:1px solid var(--card-line); }
  .badge .dot { width:7px; height:7px; border-radius:50%; background:var(--cyan); box-shadow:0 0 0 0 rgba(0,194,212,.5); animation:pulse 2.4s infinite; }
  @keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(0,194,212,.5)} 70%{box-shadow:0 0 0 10px rgba(0,194,212,0)} 100%{box-shadow:0 0 0 0 rgba(0,194,212,0)} }
  .hero h1 { font-size:clamp(27px,3.6vw,42px); font-weight:830; letter-spacing:-1.2px; line-height:1.12; margin:20px 0 0; white-space:nowrap; }
  @media (max-width:560px){ .hero h1 { white-space:normal; font-size:clamp(24px,7vw,32px); } }
  .hero p.tag { font-size:clamp(16px,2.2vw,19px); color:var(--ink-dim); margin:22px 0 0; max-width:540px; }
  .hero .cta { margin-top:34px; display:flex; gap:14px; flex-wrap:wrap; }
  .hero .meta { margin-top:20px; color:var(--ink-faint); font-size:13px; display:flex; gap:18px; flex-wrap:wrap; }
  .hero .meta b { color:var(--ink-dim); }

  /* 히어로 우측 — 낭독 중 미니 플레이어 목업 */
  /* 히어로 대표 제품 요약 카드 */
  .hero-head { max-width:780px; }
  .prodsum { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:42px; }
  .psum { display:flex; flex-direction:column; gap:10px; text-decoration:none; color:inherit; background:var(--card); border:1px solid var(--card-line); border-radius:20px; padding:24px 24px 20px; box-shadow:var(--shadow); transition:transform .25s var(--ease), box-shadow .25s var(--ease); }
  .psum:hover { transform:translateY(-5px); box-shadow:var(--shadow-lg); }
  .psum-ic { width:50px; height:50px; border-radius:14px; background:var(--grad); display:grid; place-items:center; color:#fff; box-shadow:0 8px 22px rgba(0,200,255,.35); }
  .psum-ic .icn { width:24px; height:24px; }
  .psum-name { font-size:21px; font-weight:820; letter-spacing:-.4px; margin-top:2px; }
  .psum-tag { color:var(--ink-dim); font-size:14.5px; line-height:1.5; }
  .psum-plat { display:flex; flex-wrap:wrap; gap:7px; margin-top:2px; }
  .psum-plat .pill { font-size:12px; font-weight:600; color:var(--ink-dim); background:var(--grad-soft); border:1px solid var(--card-line); border-radius:999px; padding:4px 10px; }
  .psum-go { margin-top:auto; padding-top:10px; font-weight:700; font-size:14px; color:var(--blue); }
  @media (max-width:820px){ .prodsum { grid-template-columns:1fr; } }
  .mock { position:relative; background:linear-gradient(155deg,#0b1733,#15376b); border-radius:24px; padding:24px; color:#fff;
    box-shadow:var(--shadow-lg); overflow:hidden; animation:rise 22s var(--ease) infinite; }
  @keyframes rise { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
  .mock::after { content:""; position:absolute; inset:0; background:radial-gradient(360px 240px at 90% 0%, rgba(0,194,212,.32), transparent 60%); pointer-events:none; }
  .mock .m-head { display:flex; align-items:center; gap:12px; position:relative; z-index:1; }
  .mock .cover { width:56px; height:56px; border-radius:13px; background:var(--grad); display:grid; place-items:center; font-size:24px; flex:none; box-shadow:0 8px 20px rgba(0,200,255,.4); }
  .mock .m-title { font-weight:800; font-size:16px; }
  .mock .m-sub { font-size:12.5px; color:#a9bfe2; }
  .mock .chips { display:flex; gap:8px; margin:18px 0 4px; position:relative; z-index:1; flex-wrap:wrap; }
  .mock .chip { font-size:11.5px; font-weight:600; padding:5px 10px; border-radius:999px; background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.16); }
  .mock .line { height:9px; border-radius:6px; background:rgba(255,255,255,.14); margin-top:12px; position:relative; z-index:1; }
  .mock .line.s1 { width:100%; } .mock .line.s2 { width:84%; }
  .mock .line.read { background:var(--grad); width:62%; box-shadow:0 0 16px rgba(0,194,212,.5); }
  .mock .eq { display:flex; align-items:flex-end; gap:4px; height:34px; margin-top:18px; position:relative; z-index:1; }
  .mock .eq i { flex:1; background:linear-gradient(180deg,#00c2d4,#1e7fff); border-radius:3px; animation:eq 1.1s ease-in-out infinite; }
  .mock .eq i:nth-child(odd){ animation-duration:.9s } .mock .eq i:nth-child(3n){ animation-duration:1.3s }
  @keyframes eq { 0%,100%{height:18%} 50%{height:100%} }
  .mock .ctrls { display:flex; align-items:center; justify-content:center; gap:22px; margin-top:18px; position:relative; z-index:1; color:#cfe0ff; }
  .mock .play { width:46px; height:46px; border-radius:50%; background:#fff; color:#15376b; display:grid; place-items:center; font-size:18px; }

  /* 섹션 공통 */
  section { padding:84px 0; }
  .sec-h { font-size:13px; letter-spacing:2.6px; text-transform:uppercase; color:var(--blue); font-weight:700; margin-bottom:13px; }
  .sec-t { font-size:clamp(26px,3.8vw,40px); font-weight:820; letter-spacing:-.7px; line-height:1.18; }
  .sec-d { color:var(--ink-dim); font-size:16.5px; margin-top:14px; max-width:620px; }

  /* PRODUCT — 주인공 카드 */
  .product { background:linear-gradient(135deg,#0b1733,#15376b); color:#fff; border-radius:28px;
    padding:52px; margin-top:34px; display:grid; grid-template-columns:1fr 1.15fr; gap:44px; align-items:center;
    box-shadow:0 30px 70px rgba(11,55,120,.30); position:relative; overflow:hidden; }
  .product::after { content:""; position:absolute; inset:0; pointer-events:none;
    background:radial-gradient(440px 320px at 96% 8%, rgba(0,194,212,.30), transparent 60%); }
  .product .pl { position:relative; z-index:1; }
  .vabadge { display:inline-flex; align-items:center; gap:12px; }
  .vabadge .ic { width:52px; height:52px; border-radius:15px; background:var(--grad); display:grid; place-items:center; font-size:20px; box-shadow:0 8px 22px rgba(0,200,255,.4); }
  .product h3 { font-size:29px; font-weight:820; margin-top:18px; letter-spacing:-.5px; }
  .product .pl > p { color:#bcd0f0; margin-top:12px; font-size:15.5px; max-width:420px; }
  .feats { display:grid; grid-template-columns:1fr 1fr; gap:13px; position:relative; z-index:1; }
  .feat { background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.12); border-radius:15px; padding:17px; transition:transform .2s var(--ease), background .2s; }
  .feat:hover { transform:translateY(-4px); background:rgba(255,255,255,.12); }
  .feat .e { font-size:21px; } .feat b { display:block; margin-top:8px; font-size:14.5px; } .feat span { color:#a9bfe2; font-size:12.5px; }
  /* NaNAI Monitor 제품 카드: 스크린샷 프레임 · 다운로드 CTA · 풀폭 기능 그리드 */
  .product .shot { position:relative; z-index:1; border-radius:16px; overflow:hidden; border:1px solid rgba(255,255,255,.14); box-shadow:0 22px 55px rgba(0,0,0,.42); }
  .product .shot img { display:block; width:100%; height:auto; }
  .product .dl { margin-top:24px; display:flex; flex-direction:column; align-items:flex-start; gap:9px; }
  .product .dl .note { color:#a9bfe2; font-size:12.5px; }
  .product .dl .win-guide { width:100%; }
  .product .dl .win-guide > summary { cursor:pointer; color:#cfe0f7; font-size:12.5px; font-weight:600; list-style:none; display:inline-flex; align-items:center; gap:6px; user-select:none; }
  .product .dl .win-guide > summary::-webkit-details-marker { display:none; }
  .product .dl .win-guide > summary::before { content:'\25B8'; font-size:11px; transition:transform .15s ease; }
  .product .dl .win-guide[open] > summary::before { transform:rotate(90deg); }
  .product .dl .win-guide .gb { margin-top:8px; color:#a9bfe2; font-size:12.5px; line-height:1.75; }
  .product .dl .win-guide .gb b { color:#cfe0f7; font-weight:700; }
  .product .dl .win-guide .gb .muted { color:#8298b8; }
  .product .feats.wide { grid-column:1 / -1; grid-template-columns:repeat(3,1fr); margin-top:4px; }
  /* NaNAI Monitor 개발중(경량) 카드 */
  .product.soon { grid-template-columns:1fr; gap:26px; padding:46px 52px; }
  .soonbtn { display:inline-flex; align-items:center; gap:8px; padding:12px 20px; border-radius:12px; font-weight:600; font-size:14.5px;
    background:rgba(255,255,255,.10); color:#cfe0f7; border:1px solid rgba(255,255,255,.20); cursor:default; }
  .soonbtn .tag { font-size:11px; letter-spacing:1px; padding:2px 8px; border-radius:999px; background:rgba(0,194,212,.22); color:#8fe9f4; }

  /* 간판 기능 — 교차 행 */
  .rows { margin-top:40px; display:flex; flex-direction:column; gap:26px; }
  .row2 { display:grid; grid-template-columns:1fr 1fr; gap:30px; align-items:center; background:var(--card); border:1px solid var(--card-line);
    border-radius:22px; padding:30px; box-shadow:var(--shadow); transition:transform .25s var(--ease), box-shadow .25s var(--ease); }
  .row2:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
  .row2.rev .rtext { order:2; }
  .row2 .rtag { color:var(--blue); font-weight:700; font-size:13px; letter-spacing:1.2px; text-transform:uppercase; }
  .row2 h4 { font-size:22px; font-weight:800; margin:8px 0 10px; letter-spacing:-.4px; }
  .row2 p { color:var(--ink-dim); font-size:15px; }
  .row2 ul { list-style:none; margin-top:14px; display:flex; flex-direction:column; gap:8px; }
  .row2 li { font-size:14px; color:var(--ink-dim); padding-left:26px; position:relative; }
  .row2 li::before { content:"✓"; position:absolute; left:0; top:0; width:18px; height:18px; border-radius:50%; background:var(--grad-soft); color:var(--blue); font-size:11px; font-weight:800; display:grid; place-items:center; }
  .rvis { border-radius:16px; min-height:170px; display:grid; place-items:center; padding:24px;
    background:var(--grad-soft); border:1px solid var(--card-line); position:relative; overflow:hidden; }
  .rvis .big { font-size:62px; filter:drop-shadow(0 8px 18px rgba(30,127,255,.3)); }
  .rvis .tape { position:absolute; bottom:18px; left:18px; right:18px; display:flex; gap:5px; align-items:flex-end; height:30px; opacity:.8; }
  .rvis .tape i { flex:1; background:var(--grad); border-radius:3px; height:40%; animation:eq 1.2s ease-in-out infinite; }
  .rvis .tape i:nth-child(even){ animation-duration:.95s }
  /* 카드별 고유 비주얼 — 기능에 맞게 다르게 */
  /* LIBRARY: 8개 소스가 순차로 하나로 연결(체이스) */
  .rvis .srcflow { position:absolute; bottom:22px; left:22px; right:22px; display:flex; gap:7px; align-items:center; }
  .rvis .srcflow i { flex:1; height:9px; border-radius:5px; background:var(--grad); opacity:.22; transform-origin:center; animation:srcpulse 2.4s ease-in-out infinite; }
  .rvis .srcflow i:nth-child(1){animation-delay:0s} .rvis .srcflow i:nth-child(2){animation-delay:.16s} .rvis .srcflow i:nth-child(3){animation-delay:.32s} .rvis .srcflow i:nth-child(4){animation-delay:.48s}
  .rvis .srcflow i:nth-child(5){animation-delay:.64s} .rvis .srcflow i:nth-child(6){animation-delay:.80s} .rvis .srcflow i:nth-child(7){animation-delay:.96s} .rvis .srcflow i:nth-child(8){animation-delay:1.12s}
  @keyframes srcpulse { 0%,72%,100%{opacity:.22; transform:scaleY(.7)} 36%{opacity:1; transform:scaleY(1.5)} }
  /* SUBTITLES: 실시간 자막 라인이 타이핑되듯 채워짐 */
  .rvis .cap { position:absolute; bottom:20px; left:22px; right:22px; display:flex; flex-direction:column; gap:8px; }
  .rvis .cap i { height:8px; border-radius:4px; background:var(--grad); width:24%; animation:type 3.2s ease-in-out infinite; }
  .rvis .cap i:nth-child(2){ animation-delay:.55s } .rvis .cap i:nth-child(3){ animation-delay:1.1s }
  @keyframes type { 0%{width:10%;opacity:.35} 45%{width:94%;opacity:1} 72%{width:94%;opacity:1} 100%{width:10%;opacity:.35} }
  /* ENGINE HUB: 엔진 토글 스위치가 순차로 전환 */
  .rvis .tog { position:absolute; bottom:22px; left:0; right:0; display:flex; gap:12px; justify-content:center; }
  .rvis .tog i { width:40px; height:19px; border-radius:999px; background:rgba(30,127,255,.16); position:relative; animation:togbg 2.6s ease-in-out infinite; }
  .rvis .tog i::after { content:""; position:absolute; top:2.5px; left:2.5px; width:14px; height:14px; border-radius:50%; background:#fff; box-shadow:0 1px 3px rgba(0,0,0,.3); animation:flip 2.6s ease-in-out infinite; }
  .rvis .tog i:nth-child(2)::after, .rvis .tog i:nth-child(2){ animation-delay:.45s } .rvis .tog i:nth-child(3)::after, .rvis .tog i:nth-child(3){ animation-delay:.9s }
  @keyframes flip { 0%,100%{left:2.5px} 50%{left:23.5px} }
  @keyframes togbg { 0%,100%{background:rgba(30,127,255,.16)} 50%{background:var(--grad)} }

  /* about */
  .about { display:grid; grid-template-columns:1.05fr .95fr; gap:54px; align-items:center; }
  .about p { color:var(--ink-dim); font-size:16.5px; margin-top:16px; }
  .about .visual { display:grid; place-items:center; }
  .about .visual img { width:100%; max-width:360px; border-radius:20px; box-shadow:var(--shadow-lg); }
  .hanja { display:inline-flex; flex-wrap:wrap; gap:14px; margin-top:18px; }
  .hanja .h { text-align:center; padding:12px 16px; border-radius:14px; background:var(--card); border:1px solid var(--card-line); box-shadow:var(--shadow); }
  .hanja .h .c { font-size:30px; font-weight:800; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
  .hanja .h .m { font-size:12px; color:var(--ink-faint); margin-top:2px; }

  .grid3 { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:36px; }
  .card { background:var(--card); border:1px solid var(--card-line); border-radius:18px; padding:26px; box-shadow:var(--shadow); transition:transform .25s var(--ease), box-shadow .25s var(--ease); }
  .card:hover { transform:translateY(-5px); box-shadow:var(--shadow-lg); }
  .card .e { font-size:24px; } .card h4 { font-size:18px; margin:12px 0 8px; } .card p { color:var(--ink-dim); font-size:14.5px; }

  /* CTA 밴드 */
  .ctaband { background:linear-gradient(135deg,#0b1733,#15376b); border-radius:28px; padding:54px; text-align:center; color:#fff; position:relative; overflow:hidden; box-shadow:0 30px 70px rgba(11,55,120,.30); }
  .ctaband::after { content:""; position:absolute; inset:0; pointer-events:none; background:radial-gradient(500px 300px at 50% -20%, rgba(0,194,212,.34), transparent 60%); }
  .ctaband h2 { font-size:clamp(24px,3.4vw,36px); font-weight:820; letter-spacing:-.6px; position:relative; z-index:1; }
  .ctaband p { color:#bcd0f0; margin-top:12px; position:relative; z-index:1; }
  .ctaband .cta { margin-top:26px; display:flex; gap:14px; justify-content:center; flex-wrap:wrap; position:relative; z-index:1; }
  .ctaband .btn.ghost { background:rgba(255,255,255,.10); color:#fff; border-color:rgba(255,255,255,.22); }
  .ctaband .btn.ghost:hover { background:rgba(255,255,255,.18); }

  footer { border-top:1px solid var(--line); padding:44px 0; color:var(--ink-faint); font-size:13.5px; margin-top:10px; }
  footer .row { display:flex; align-items:center; gap:16px; flex-wrap:wrap; }
  footer .brand img { height:22px; }
  footer .links { margin-left:auto; display:flex; gap:20px; flex-wrap:wrap; }
  footer .links a:hover { color:var(--ink); }
  /* 사업자 정보(전자상거래법 §10 통신판매업자 신원 표기) */
  footer .bizinfo { margin-top:24px; padding-top:20px; border-top:1px solid var(--line);
    color:var(--ink-faint); font-size:12.5px; line-height:1.95; }
  footer .bizinfo b { color:var(--ink-dim); font-weight:600; }
  footer .bizinfo a { color:var(--ink-faint); text-decoration:underline; text-underline-offset:2px; }
  footer .bizinfo a:hover { color:var(--ink); }
  footer .mail:hover { color:var(--ink); text-decoration:underline; }

  /* 스크롤 진입 애니메이션 — JS 동작 시(.js)에만 숨김 처리(무JS·SEO 시 본문 항상 표시) */
  .js .reveal { opacity:0; transform:translateY(26px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
  .js .reveal.in { opacity:1; transform:none; }
  .js .reveal.d1 { transition-delay:.08s } .js .reveal.d2 { transition-delay:.16s } .js .reveal.d3 { transition-delay:.24s }
  @media (prefers-reduced-motion: reduce) {
    .reveal { opacity:1 !important; transform:none !important; }
    .orb,.mock,.eq i,.rvis .tape i,.rvis .srcflow i,.rvis .cap i,.rvis .tog i,.rvis .tog i::after,.badge .dot { animation:none !important; }
    html { scroll-behavior:auto; }
  }

  @media (max-width:880px) {
    .hero-grid,.product,.about,.row2,.row2.rev .rtext { grid-template-columns:1fr; }
    .row2 .rtext, .row2.rev .rtext { order:0; }
    .product,.ctaband { padding:34px; } .grid3 { grid-template-columns:1fr; } section { padding:60px 0; }
    .product .feats.wide { grid-template-columns:1fr 1fr; }
    nav .links { display:none; } .hero { padding:64px 0 48px; }
    .hero-grid { gap:34px; } .about { gap:34px; }
  }

  /* 히어로 동영상+자막 목업 */
  .vscreen { position:relative; border-radius:14px; overflow:hidden; aspect-ratio:16/10; z-index:1;
    background:linear-gradient(135deg,#0a1730,#1b2f5e 60%,#0a1730); border:1px solid rgba(255,255,255,.08); }
  .vscreen::before { content:""; position:absolute; inset:0; pointer-events:none;
    background:radial-gradient(420px 200px at 28% 22%, rgba(0,194,212,.30), transparent 60%),
               radial-gradient(360px 220px at 82% 82%, rgba(30,127,255,.34), transparent 60%); }
  .vscreen .pbtn { position:absolute; top:46%; left:50%; transform:translate(-50%,-50%);
    width:52px; height:52px; border-radius:50%; background:rgba(255,255,255,.92); color:#15376b;
    display:grid; place-items:center; font-size:19px; box-shadow:0 8px 24px rgba(0,0,0,.35); }
  .vscreen .cc { position:absolute; top:12px; left:12px; display:flex; gap:6px; z-index:2; }
  .vscreen .cc span { font-size:10.5px; font-weight:700; padding:4px 8px; border-radius:7px;
    background:rgba(0,0,0,.45); border:1px solid rgba(255,255,255,.22); color:#dbe8ff; }
  .vscreen .cc .live::before { content:"● "; color:#3ee08f; }
  .subs { position:absolute; left:0; right:0; bottom:13px; text-align:center; padding:0 14px; z-index:2; }
  .subs .so { font-size:12px; color:#aebfdc; opacity:.85; }
  .subs .st { font-size:15px; font-weight:700; color:#fff; margin-top:3px; text-shadow:0 2px 8px rgba(0,0,0,.65); }
  .mock .scan { height:4px; border-radius:3px; margin-top:14px; position:relative; z-index:1; background:rgba(255,255,255,.14); overflow:hidden; }
  .mock .scan i { position:absolute; top:0; bottom:0; width:42%; border-radius:3px; background:var(--grad); box-shadow:0 0 14px rgba(0,194,212,.5); animation:scan 2.6s var(--ease) infinite; }
  @keyframes scan { 0%{left:-42%} 100%{left:100%} }
  .rvis .eq { display:flex; align-items:flex-end; gap:4px; width:80%; height:46px; position:relative; z-index:1; }
  .rvis .eq i { flex:1; height:45%; background:linear-gradient(180deg,#00c2d4,#1e7fff); border-radius:3px; animation:eq 1.1s ease-in-out infinite; }
  .rvis .eq i:nth-child(odd){ animation-duration:.9s } .rvis .eq i:nth-child(3n){ animation-duration:1.3s }
  /* i18n 강조 볼드 색(기존 인라인 style 대체) */
  .hero .tag b, .sec-d b, .about p b { color:var(--ink); }
  /* nav: 사용법 분리 + 언어 선택 */
  .navhelp { display:inline-flex; align-items:center; gap:6px; font-size:14.5px; font-weight:600; color:var(--ink-dim);
    padding:8px 12px; border-radius:10px; text-decoration:none; transition:color .15s, background .15s; }
  .navhelp:hover { color:var(--ink); background:var(--card); }
  .navhelp svg { width:16px; height:16px; opacity:.85; }
  .langsel { position:relative; }
  .langbtn { display:inline-flex; align-items:center; gap:6px; padding:8px 11px; border-radius:10px; border:1px solid var(--line);
    background:var(--card); color:var(--ink); font-weight:600; font-size:13.5px; cursor:pointer; line-height:1; }
  .langbtn:hover { border-color:var(--blue); }
  .langbtn > svg:first-child { width:16px; height:16px; }
  .langbtn .caret { width:11px; height:11px; opacity:.6; }
  .langmenu { position:absolute; top:calc(100% + 8px); right:0; min-width:136px; background:var(--card);
    border:1px solid var(--line); border-radius:12px; box-shadow:var(--shadow); padding:6px; display:none; z-index:60; }
  .langmenu.on { display:block; }
  .langmenu button { display:flex; width:100%; align-items:center; gap:8px; padding:9px 11px; border:0; background:none;
    color:var(--ink); font-size:13.5px; font-weight:600; border-radius:8px; cursor:pointer; text-align:left; }
  .langmenu button:hover { background:rgba(30,127,255,.10); }
  .langmenu button.on { color:var(--blue); }
  .langmenu button .ck { margin-left:auto; opacity:0; width:14px; height:14px; }
  .langmenu button.on .ck { opacity:1; }
  @media (max-width:880px){ .navhelp span { display:none; } .langbtn #langCur { display:none; } }
  /* ── 아이콘 시스템(맞춤 SVG 모노라인) ── */
  .icn { fill:none; stroke:currentColor; stroke-width:1.9; stroke-linecap:round; stroke-linejoin:round; display:block; }
  /* 회사 가치 카드: 그라데이션 타일 + 흰 아이콘(제품 배지와 통일) */
  .card .e { width:46px; height:46px; border-radius:13px; background:var(--grad); display:grid; place-items:center; box-shadow:0 8px 20px rgba(0,194,212,.28); font-size:0; }
  .card .e .icn { width:24px; height:24px; stroke:#fff; }
  /* 제품 기능 그리드: 시안 모노라인(다크 카드 위) */
  .feat .e { font-size:0; height:23px; }
  .feat .e .icn { width:23px; height:23px; stroke:#5fd2e8; }
  /* 제품 배지(그라데이션 사각): 흰 아이콘 */
  .vabadge .ic { font-size:0; }
  .vabadge .ic .icn { width:26px; height:26px; stroke:#fff; }
  /* 히어로 미니 목업 커버 */
  .mock .cover { font-size:0; }
  .mock .cover .icn { width:27px; height:27px; stroke:#fff; }
  /* 히어로 메타: 블루 인라인 아이콘 */
  .hero .meta > span { display:inline-flex; align-items:center; gap:7px; }
  .hero .meta .icn { width:16px; height:16px; stroke:var(--blue); flex:none; }

  /* ── 실제 앱 화면 쇼케이스 ── */
  .showcase { margin-top:40px; display:flex; flex-direction:column; gap:46px; }
  .shotgroup .gh { display:flex; align-items:center; gap:13px; }
  .shotgroup .gic { width:44px; height:44px; border-radius:13px; background:var(--grad); display:grid; place-items:center; box-shadow:0 8px 20px rgba(0,194,212,.28); flex:none; }
  .shotgroup .gic .icn { width:23px; height:23px; stroke:#fff; }
  .shotgroup .gh h4 { font-size:20px; font-weight:820; letter-spacing:-.4px; }
  .shotgroup .gd { color:var(--ink-dim); font-size:15px; margin-top:11px; max-width:680px; }
  .shots { margin-top:22px; display:flex; gap:18px; overflow-x:auto; overflow-y:hidden; padding:6px 2px 16px; scroll-snap-type:x proximity; -webkit-overflow-scrolling:touch; scrollbar-width:thin; scrollbar-color:var(--card-line) transparent; }
  .shots::-webkit-scrollbar { height:8px; }
  .shots::-webkit-scrollbar-track { background:transparent; }
  .shots::-webkit-scrollbar-thumb { background:var(--card-line); border-radius:8px; }
  .phone { flex:none; width:198px; border-radius:22px; overflow:hidden; border:1px solid var(--card-line); box-shadow:var(--shadow); background:var(--card); scroll-snap-align:start; transition:transform .25s var(--ease), box-shadow .25s var(--ease); }
  .phone:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
  .phone img { display:block; width:100%; height:auto; }
  .phone.wide { width:360px; }
  @media (max-width:880px) { .phone { width:170px; } .phone.wide { width:290px; } .showcase { gap:40px; } }

  /* ── NaNAI 브랜드 히어로 ── */
  .brand-hero { max-width:560px; }
  .brand-hero img { width:100%; height:auto; border-radius:22px; box-shadow:var(--shadow-lg); display:block; }
  .hero-head .badge { margin-top:26px; }
  .brand-intro { max-width:760px; margin-top:30px; }
  .brand-intro p { color:var(--ink-dim); font-size:16.5px; margin-top:14px; }
  .brand-intro p:first-child { margin-top:0; }
  .brand-intro p b { color:var(--ink); }
  /* 제품군 요약 카드: 제품 로고 락업 */
  .psum .plogo { height:34px; width:auto; align-self:flex-start; margin-bottom:2px; }
  @media (max-width:880px){ .psum .plogo { height:30px; } }
  /* 제품 상세 카드: 제품 로고 락업(항상 다크 카드) */
  .valogo { position:relative; z-index:1; }
  .valogo img { height:44px; width:auto; display:block; }